All 16 mainline Final Fantasy games are included in the set, however, there are four receiving special treatment via Lead Commanders deck which includes Cloud from FF7 , Terra from FF6 , Tidus from FF10, and Yshtola from FF14
If an effect refers to a Clue, it means any Clue artifact, not just a Clue artifact token
Moonshaker Cavalry is solid if you can get the mana, but usually you want to be dropping Akromas Will when you have six or seven mana, not eight, with some leftover to play another creature or a removal spell
However, that's not such a big problem
Not every card has to be better than another one, but if the strictly better one came out only nine months before, maybe the new, bad one shouldnt be printed
With just a bit of extra removal or the right combat tricks, you can ensure your creature can survive any blockers and boast again next turn, thus cementing your advantage